393056 has 24 divisors (see below), whose sum is σ = 789264. Its totient is φ = 192640.

The previous prime is 393031. The next prime is 393059. The reversal of 393056 is 650393.

It is a congruent number.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 393056.

It is not an unprimeable number, because it can be changed into a prime (393059) by changing a digit.

393056 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2186 + ... + 2358.

It is an arithmetic number, because the mean of its divisors is an integer number (32886).

2³⁹³⁰⁵⁶ is an apocalyptic number.

It is an amenable number.

393056 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

393056 is a wasteful number, since it uses less digits than its factorization.

393056 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 254 (or 246 counting only the distinct ones).

The product of its (nonzero) digits is 2430, while the sum is 26.

The square root of 393056 is about 626.9417835812. The cubic root of 393056 is about 73.2517734198.

The spelling of 393056 in words is "three hundred ninety-three thousand, fifty-six".